public function read()
 {
     if ($this->memcached !== null) {
         $flags = 0;
         $content = $this->memcached->get($this->cacheKey, $flags);
         return $flags & \StaticHtmlMemcachedResponse::MEMCACHED_GZIP_FLAG ? \CHTMLPagesCache::gzdecode($content) : $content;
     }
     return false;
 }